(19)

(11)

EP 2 619 913 A1

(12)

(43) Date of publication: 31.07.2013 Bulletin 2013/31 (21) Application number: 10765598.7 (22) Date of filing: 24.09.2010

(51) International Patent Classification (IPC):  H04B 1/30(2006.01) H03D 3/06(2006.01) (86) International application number: PCT/EP2010/064113 (87) International publication number: WO 2012/037980 (29.03.2012 Gazette 2012/13)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (71) Applicant: Telefonaktiebolaget L M Ericsson (publ) 164 83 Stockholm (SE)	(72) Inventor: BAO, Mingquan S-426 54 Västra Frölunda (SE) (74) Representative: Vejgaard, Christian  Ericsson AB Patent Unit Gothenburg Lindholmspiren 11 417 56 Göteborg 417 56 Göteborg (SE)